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SERVICE MANUAL
NX750P-2
TYPE: YS1037
WEB ACCESS: http://www.yorkville.com
WORLD HEADQUARTERS
CANADA
U.S.A.
Yorkville Sound
Yorkville Sound Inc.
550 Granite Court
4625 Witmer Industrial Estate
Pickering, Ontario
Niagara Falls, New York
L1W-3Y8 CANADA
14305 USA
Voice: (905) 837-8481
Voice: (716) 297-2920
Fax: (905) 837-8746
Fax: (716) 297-3689
Quality and Innovation Since 1963
Printed in Canada
Manual-Service-NX750P-2-00-1v1 • Nov 4, 2015
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Summary of Contents for YORKVILLE NX750P-2
- Page 1 550 Granite Court 4625 Witmer Industrial Estate Pickering, Ontario Niagara Falls, New York L1W-3Y8 CANADA 14305 USA Voice: (905) 837-8481 Voice: (716) 297-2920 Fax: (905) 837-8746 Fax: (716) 297-3689 Quality and Innovation Since 1963 Printed in Canada Manual-Service-NX750P-2-00-1v1 • Nov 4, 2015...
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Page 2: Power Sources
IM PORTA N T S A F E T Y IN ST RUC TI ON S This lightning flash with arrowhead symbol, within The exclamation point within an equilatereal triangle is intended to alert the an equilateral triangle, is intended to alert the user to the presence of user to the presence of important operating and maintenance (servicing) uninsulated “dangerous voltage”... - Page 3 LINE / CD NX750P LEVEL NOTES: ALL LINK CONNECTIONS FUNCTION AS INPUTS OR OUTPUTS. EXTERNAL MIXERS CONNECT TO LINK INPUTS W W W.YORK VILLE.COM DESIGNED & MANUFACTURED BY YORKVILLE SOUND • TORONTO, CANADA CLIP 60Hz 100Hz LF ROLLOFF TREBLE BASS LIMIT...
- Page 4 NX750P-2 Parts List 10/22/2015 YS # Description Qty. YS # Description Qty. YS # Description Qty. 5401 _10P 500V 5%CAP T&R RAD CER.2NPO 4911 W250 2R2 5% T&R RES 3490 CLIP 250X032 14-16AWG DISCO/INSL 5817 _15P 100V 2%CAP T&R RAD CER.2NPO...
- Page 5 M1231 p1 Parts Reference List 10/26/2015 YS # Description YS # Description YS # Description 5816 680P 100V 5%CAP T&R RAD CER.2inNPO 5257 __2U2 63V 20%CAP T&R RAD .2inEL 6733 BAT85 30V 0A2 DIODE SCHTKYT&R 5945 _10U 63V 20%CAP T&R RAD .2inEL 5228 100N 100V 5%CAP T&R RAD...
- Page 6 M1231 p2 Parts Reference List 10/26/2015 YS # Description YS # Description YS # Description 6110 1/4W 1K0 1%MINI MF T&R RES R142 4789 1/4W 324R0 0.1% *** T&R RES 6603 74HC14N IC HEX INV SCHMID 6110 1/4W 1K0 1%MINI MF T&R RES R143 6123...
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Page 7: Service Bulletin
SERVICE BULLETIN IMPORTANT SERVICE NOTICE! NX55P and NX750P M1309V06 and newer version circuit boards are NOT backwards compatible with ANY previous versions of M1309 boards! Note: Due to ongoing changes in the layout of the power sup- ply and the power amplifier, the circuit board M1309V06 (Ver- sion 06) and newer versions are not compatible with board M1309V05 (version 05) or previous versions, the pin-outs on the connectors have been re-arranged. - Page 8 750 WATT POWERED LOUDSPEAKER ENCLOSURE LINK +24 PHANTOM MIC LEVEL MIXER ON / OFF LINE / CD LEVEL LINE / CD NX750P LEVEL NOTES: ALL LINK CONNECTIONS FUNCTION AS INPUTS OR OUTPUTS. EXTERNAL MIXERS CONNECT TO LINK INPUTS Y orkville BLOCK-NX750p-1v0.pdf...
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Page 9: Main Input
C146 2K5 NOTCH 100V 3K9 NOTCH R143 +15V -15V 20K0 MINI MAIN INPUT U13:B 100V R144 U14:A C145 1/4W 100V 100N 4148 180R -15V U14:C NE5532N 1/8W 100V 4100 NE5532N 681R FLMP U13:A FLMP -15V 681R 1/8W C147 +15V 100V U13:C 1/4W LVGND... - Page 10 +56V IRFP140N Q12:A 6931 HORN AMP 1/4W 1/4W TO247 2K21 MINI FLMP PHANTOM SUPPLY 680P 1N5242B +22V 100V 12V0 +56V MR854 16V0 1N5246B 2.0W HORNGND BDX53C 1/4W 6912 680R Bias accross TP1 & TP2 FUSIBLE R219 MINI TO220 BC550C 1/4W 2N5551 100V 470R...
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Page 11: Power Supply
POWER SUPPLY TO POWER AMP PCB SILENT +145V FUSE 8 W12:G N.A.: #2465 F 7A IEC_RECT 6 W34:F MR752 CE: #2482 F3.15A 4007 CH1337U 6 W34:E +56V FUSE 4007 DPDT Switch W1:A Thermal Breaker AC BLACK 6 W34:D 1N5402 +22V +15V MC7815CT FAST BLOW... - Page 12 M1231.PCB_DATABASE_HISTORY LEADS & PINS REFERENCE POTENTIOMETERS AND KNOBS MODEL(S):- NX750P DATE VER# DESCRIPTION OF CHANGE AUGUST 2004 V1.00 MADE FROM M1158-V.200 NOV-26-2004 PC#6772: REV. WIRE COLORS ON WOOFER & HORN (GT) 74HC86N (YS#6605) IR2110 (YS#6887) MC33079P (YS#6804) M1231 - POTS LIST MAY30th 2005 V2.00 CHANGED POWER SUPPLY CAPACITORS TO NEW...
- Page 13 C106 120V C128 C139 R191 R190 C129 R217 C126 100N C137 100N R197 R168 R206 10K0 680N 220R 220R 10K0 R203 250V 100N R207 5266 RING-SW 250V C108 332R0 4147 6884 R194 C125 5242 NE5532N 1300UH R199 R204 3921 6492 4147 AC GND R200...
- Page 14 SEE LAYOUT DIAGRAM PRODUCTION NOTES M1231 1. MAKE SURE TO RTV UNDER ALL LARGE CAPACITORS. **************IMPORTANT****************** 2. ADD AMPLE RTV UNDER ENTIRE BASE OF OUTPUT COIL L1 3. LEADS FOR 5 WATT RESISTORS MUST BE BENT ON THE MACHINE LEAD LOOP MUST NOT BE ABOVE TOP OF RESISTOR 5 WATT 4.
- Page 15 SEE LAYOUT DIAGRAM M1231.PCB_DATABASE_HISTORY POTENTIOMETERS AND KNOBS MODEL(S):- LEADS & PINS REFERENCE NX750P DATE VER# DESCRIPTION OF CHANGE AUGUST 2004 V1.00 MADE FROM M1158-V.200 NOV-26-2004 PC#6772: REV. WIRE COLORS ON WOOFER & HORN (GT) M1231 - POTS LIST MAY30th 2005 V2.00 CHANGED POWER SUPPLY CAPACITORS TO NEW 74HC86N (YS#6605) IR2110 (YS#6887)
- Page 16 4167 3538 M1369 PCB_DATABASE_HISTORY MODEL(S):- CROW BAR DATE VER# DESCRIPTION OF CHANGE Woofer + W6:C W5:B Woofer + 28-NOV-2007 1.00 FIRST DESIGN 02-JUN-2008 2.00 UPDATE TABS 180K 19-JAN-2009 3.00 CHANGE THE BECLOC HOLE TO NON PLATED MBS4992 06-MAY-2011 Reduce size of the panel. - GG Q2:A STM-BTB-600BRG Woofer -...
- Page 17 M1369 CROWBAR Yorkville 2014 6517 STM-BTB-600BRG {Watts} TO220 5190 CLINCH INSERT ORIGIN LONG AXIS ORIGIN M1369 V06 StepAndRepeat - X5@2500Y4@2000...
- Page 18 SEE LAYOUT DIAGRAM M1369 PRODUCTION NOTES M1369 PCB_DATABASE_HISTORY MODEL(S):- CROW BAR DATE VER# DESCRIPTION OF CHANGE 28-NOV-2007 1.00 FIRST DESIGN 1. USE #8799, #6 1/4 PAN SCREW FOR TRIAC Q1 02-JUN-2008 2.00 UPDATE TABS 19-JAN-2009 3.00 CHANGE THE BECLOC HOLE TO NON PLATED 06-MAY-2011 Reduce size of the panel.
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